Luvalley Intl Trade Co., Ltd.

China Manufacturer with main products: Machinery, Equipment, Chemical, Hardware, Fabric, Lighting, Electronics, Auto

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Frequency Converter 0.75kw~400kw

Payment Terms: L/C, T/T, D/A
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Jiangsu in China


Frequency converter 0.75kw~400kw
Description: COPOWCO Series General Purpose Inverter

Price: Negotiable

Trade terms: FOB, CNF, EXW

Payment terms: T/T, L/C

MOQ: 10 Sets

COPOWCO Inverter

Technical Index:




Protection grade



Forced air cooling and natural cooling

Input power

Rated voltage

3-phase 380V, single-phase 220V, 3-phase 220V, 3-phase 460V, 3-phase 660V

Phases and frequency

Three phase50/60Hz(reference rated current specification)

Allowed range

Voltage allow ± 20% change , frequency allow the change of ± 5% Hz

Low-voltage protection

Low voltage operating point is set at -20% of the rated voltage and determined by the DC bus voltage

Output power

Power factor

Capacitor load ahead

Rated capacity / current

150% 1 min

Tripping Current:

200% of the rated current

Temperature protection

Max 80℃

output Index

Control mode

Vector control technology/AF control/ constant torque or Constant-power control

Output frequency range


Frequency resolution

keyboard setting: 0.01Hz, Analog setting: 0.1Hz

Fundamental frequency


Dynamic braking

15KW built-in brake unit ; above 18.5KW above external braking unit

DC brake

brake voltage: 5~30% adjustable,

DC brake frequency: 0.5~50Hz,

brake time: 0.0~25.0 seconds adjustable;

Acceleration and deceleration time: 0.1~6553seconds

Low-frequency torque compensation


Output distance

max 30m wiring distance, output reactor must be applied if overhang

Motor overheating detection

pre-set overheat input terminator, close-tripping OH indication

Standard Functions

Rotate speed tracking,

suspendable deceleration,

build-in PID, Auto-velocity compensation, AVR, 8 sections speed operation, power/torsion control, frequency hopping, torsion limitation, auto-multiple sections operation, UP-DOWN control, wobble frequency (Textile swing frequency control),

2 ways signal multipliable control, auto-reset, timer, flip-flop




Analog input

10V, 0~20mA, 0~1A(Z), two way multipliable potentiometers


Analog output

post-filter PWM output, adjustable PWM pulse output(10V)


Digital input

programmable 6 sections multi-functional digital input terminal


Digital output

2 sections programmable open collector output, 1 programmable relay output , max 93 compounds selectable

Communication port


Built-in serial communication option, after reunification of multiple (up to 99 units) reach state control


Display function


Seven segment display

output current, power factor, output power, input power, timer

output power limitation, VF/speed conversion, DC bus voltage, output voltage, temperature ect.


Standard function

Over-current, overload, short-circuit protection, over voltage, low-voltage protection, overheating protection, earth connection, output phase failure protection, motor overheating protection)


Environmental temperature

-10℃-50℃, (the temperature of heat sink would be not exceeding 80℃ if no sunshine irradiate)

Environmental humidity

Within 90%RH, without condensing


Indoor, free from direct sunlight, no dust, corrosive gas, combustible gas, oily mist, water vapor, dropping water or salt, etc.


below 0.5gm


Lower than 1000m. In the area within 1000-4000m, derating use is required when radiation performance e of the inverter becomes poor due to the thin air, 1% derating for every 100m increased.

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